What are the steps involved in designing a fact table?
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What is the differences between star and snowflake schemas?
What is the use of dimensional modeling in data warehousing?
Start a batches with in a batch?
if you use oracle sql*loader , how do you transform data with it during loading?
Is union transormation is active transformation?
Explain which are the olap tools available that are supported by oracle?
What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?
what is the use of surrogate key in businessobjects
What is the difference between a data warehouse and a data mart?
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Compare aggregates and data marts
What is the difference between junk dimension and degenerated dimension?
Explain what are the advantages and disadvantages of reporting directly against the database?